added meta descriptions for main page and devlog entries

src/routes/+page.svelte

@@ -8,7 +8,6 @@
 
     import { posts, type DevlogPost } from "./projects/projectn5/devlog/posts";
 
-    var lastIndex = -1;
     let meImg: string = $state("common/me/a.webp");
     let marqueeQuote: Quote = $state({
         author: "",
@@ -35,12 +34,12 @@
         marqueeQuote = quotes[getRandom(quotes.length)];
     };
 
-    let latestDevlogDate = posts.values().next().value.date;
+    let latestDevlogDate = posts.values().next().value?.date ?? "could not fetch";
 </script>
 
 <svelte:head>
     <title>denizk0461's website</title> 
-    <meta name="description" content="my personal website">
+    <meta name="description" content="German developer posting about gamedev, programming, electronics projects, and sometimes music too.">
 </svelte:head>
 
 <Content>